Sponge brush



FIG. 1 is a front view with the opposite side being a mirror image; and,

FIG. 2 is a front, side perspective view.

The undisclosed opposite side view is a mirror image of the side shown except that the depth of the brush element is shallower on the undisclosed side.

The undisclosed bottom plan view is unornamented.

The handle is shown broken away in FIG. 2 for ease of illustration. 

The ornamental design for a sponge brush, as shown and described. 